(19)

(11)

EP 2 780 832 A2

(12)

(88) Date of publication A3: 16.01.2014 (43) Date of publication: 24.09.2014 Bulletin 2014/39 (21) Application number: 12788505.1 (22) Date of filing: 16.11.2012

(51) International Patent Classification (IPC):  G06F 17/30(2006.01) (86) International application number: PCT/EP2012/072811 (87) International publication number: WO 2013/072451 (23.05.2013 Gazette 2013/21)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 18.11.2011 US 201161561508 P (71) Applicant: Universidad Politécnica De Madrid 28040 Madrid (ES)	(72) Inventors: JIMÉNEZ PERIS, Ricardo E-28040 Madrid (ES) PATIÑO MARTÍNEZ, Marta E-28040 Madrid (ES) (74) Representative: ABG Patentes, S.L.  Avenida de Burgos, 16D Edificio Euromor 28036 Madrid 28036 Madrid (ES)